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83 lines
1.7 KiB
Objective-C
83 lines
1.7 KiB
Objective-C
#import "objc/runtime.h"
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#import "objc/blocks_runtime.h"
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#import "nsobject.h"
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#import "selector.h"
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static Class AutoreleasePool;
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static IMP NewAutoreleasePool;
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static IMP DeleteAutoreleasePool;
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void *objc_autoreleasePoolPush(void)
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{
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// TODO: This should be more lightweight. We really just need to allocate
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// an array here...
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if (Nil == AutoreleasePool)
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{
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AutoreleasePool = objc_getRequiredClass("NSAutoreleasePool");
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NewAutoreleasePool = class_getMethodImplementation(
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object_getClass(AutoreleasePool),
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SELECTOR(new));
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DeleteAutoreleasePool = class_getMethodImplementation(
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object_getClass(AutoreleasePool),
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SELECTOR(release));
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}
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return NewAutoreleasePool(AutoreleasePool, SELECTOR(new));
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}
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void objc_autoreleasePoolPop(void *pool)
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{
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// TODO: Keep a small pool of autorelease pools per thread and allocate
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// from there.
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DeleteAutoreleasePool(pool, SELECTOR(release));
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}
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id objc_autorelease(id obj)
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{
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return [obj autorelease];
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}
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id objc_autoreleaseReturnValue(id obj)
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{
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// TODO: Fast path for allowing this to be popped from the pool.
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return [obj autorelease];
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}
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id objc_retain(id obj)
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{
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return [obj retain];
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}
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id objc_retainAutorelease(id obj)
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{
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return objc_autorelease(objc_retain(obj));
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}
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id objc_retainAutoreleaseReturnValue(id obj)
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{
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return objc_autoreleaseReturnValue(objc_retain(obj));
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}
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id objc_retainAutoreleasedReturnValue(id obj)
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{
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// TODO: Fast path popping this from the autorelease pool
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return objc_retain(obj);
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}
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id objc_retainBlock(id b)
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{
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return _Block_copy(b);
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}
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void objc_release(id obj)
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{
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[obj release];
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}
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id objc_storeStrong(id *object, id value)
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{
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value = [value retain];
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id oldValue = *object;
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*object = value;
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[oldValue release];
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return value;
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}
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